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JBL 4645
10-27-2009, 02:12 PM
This is basically a public awareness message as nearly most JBL users may not even be aware what details are happening in the centre discrete.

So can you hear the difference now, now that I’ve put this little video together? You probably didn’t even know it was there on the mix. It helps when you have matching LCR fronts a lot but that’s only the first step. You can balance the frequency response to be 0 flat and still be left with holy mess of serious overlapping sounds.

Okay in the real world that is how it is. In the home it can be fine turned and perfected with some matching dynamic EQ some audio limiters to put so too called leash on the mix as it can get quite out of hand.

Heat centre channel 0db Neil footsteps breathing crickets
http://www.youtube.com/watch?v=TrUY2BNXYew (http://www.youtube.com/watch?v=TrUY2BNXYew)

At 0:12 there is jet airliner on the left and right that starts at left front and pans over till there is centre phantom front briefly then pans over to right front then cuts off. Normally this would drown out the centre channel at this point and those footsteps breathing panting would go unheard.

The output is taken from the AVR and is at 0db level so turn down the level on your end.

Okay get you Heat copy out and play around with your matching LCR mismatching forget it

JBL 4645
10-27-2009, 03:03 PM
Here’s another quick thing I did while un-patching the AVR to borrow the leads for the audio mixer. Too bad I can’t upload this in stereo. I know how to make a stereo mix and the pan pots are set with channel 1 left to hard left. Channel 2 centre set to centre of channel 3 right hard right.

Heat pink noise test
http://www.youtube.com/watch?v=YGd456cj4Do (http://www.youtube.com/watch?v=YGd456cj4Do)

The pink noise turns off after few minutes it helps to listen first! Then it cuts into some parts of the film briefly.